SQ2010
28507 Version 6
Page 18
EN
9. Specifications
ANALOGUE INPUTS
Basic accuracy (5-45°C):
.................................................± (0.10% re 0.1% range)
Common mode rejection:
...........................................................................................100dB
Input impedance:
...................................................................................................> 1MOHM
Linearity:
..................................................................................................................0.0015%
Series mode line rejection:
...........................................................................50/60Hz 100dB
EM field and Conducted RF effect:
………………….………………….……...………….< 1%
DIGITAL INPUTS
Zero input voltage
....................................................................... 0 to 0.5V (or shorted input)
One input voltage
..................................................................2.7 to 5V (or open circuit input)
Input protection
......................................will turn on below about -0.5V and above about 6V
ANALOGUE-DIGITAL CONVERSION
Type:
....................................................................................................................Sigma-Delta
Resolution:
......................................................................................................................24bit
Sampling rate:
.........................................................................Up to 10 readings per second
ALARM OUTPUTS
.......................................................................2 x open drain FET (18V 0.1A Max)
SENSOR POWER SUPPLY
..............................Regulated 5 VDC (50mA) or supply voltage (100mA)
TIME AND DATE
...........................................................................................In built clock in 3 formats
SCALING DATA
.......................................................Displays readings in preferred engineering units
MEMORY
............................................................................Internal: 16Mb (Up to 1,800,000 readings)
RESOLUTION
.................................................................................................Up to 6 significant digits
PROGRAMMING/LOGGER SET-UP
..................... ..........SquirrelView or SquirrelView Plus software
COMMUNICATION
Internal
: .................................................................................................RS232 & USB 1.1/2.0
External options
: ........................................................GSM, Ethernet and Wireless Ethernet
POWER SUPPLY
Internal
:...............................................................................................2 x C Alkaline batteries*
External
: ............................................8-28V DC Reverse polarity and over-voltage protected
* Maximum operating temperature for supplied alkaline batteries is 50°C